/Engine/Source/Runtime/Core/Public/Internationalization/FastDecimalFormat.h
namespace FastDecimalFormat { void FastDecimalFormat::NumberToString ( const double InVal, const [FDecimalNumberFormattingRules](API\Runtime\Core\Internationalization\FDecimalNumberFormattingRules) & InFormattingRules, const [FNumberFormattingOptions](API\Runtime\Core\Internationalization\FNumberFormattingOptions) & InFormattingOptions, [FString](API\Runtime\Core\Containers\FString) & OutString ) }